It will be up to a federal judge to determine whether New Mexico is doing enough to meet requirements spelled out in a decadeslong legal battle over the services available to people with developmental disabilities.

Opponents of some Obama-era oil and gas regulations say a decision by a federal appeals court in Denver could allow those rules to go into effect temporarily, even though the Trump administration plans to revoke them.

A federal appeals court on Thursday sidestepped a decision on whether oil and gas regulations enacted by the Obama administration are legal, noting that the current administration plans to rescind them.

Handing a major victory to environmentalists, a court cast doubt on a long-standing U.S. government argument that blocking federal coal leasing won't affect climate change because the coal could simply be mined elsewhere.

Two Wyoming laws that seek to discourage environmental activists from trespassing in the process of gathering data about wildlife, streams and other natural resources on ranchland could run afoul of free-speech protections, an appeals court ruled.

A federal appeals court has overturned the first-degree murder conviction and death sentence of an Oklahoma man who claimed he should have been tried in federal court because he was an American Indian.

The Trump administration asked three federal judges from the 10th U.S. Circuit Court of Appeals to hold off on a decision regarding a major federal fracking rule implemented by the Obama administration.